No more solute will dissolve at that temperature, the temperature would have to be increased in order for more solute to dissolve.
The ion is Al³⁺
mass number - number of neutrons= atomic number
27 - 14 = 13
Aluminum has an atomic number of 13, thus we know this is the metal in question. Also, because the aluminum has only 10 electrons, (3 less than a neutral atom of aluminum would have), its charge must be 3+
I just took that quiz , it’s A
Answer:
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